package demo1;

import java.util.Arrays;

public class Test {
    //重载
    public static void count(){

    }
    public static void count(int a){

    }
    public static void count(double b){}
    public static void count(int a,int b){}
    public static void count(int b,double a){}
    public static void main(String[] args) {
        int[] arr = new int[]{1,2,3};
        int[] arr2 = new int[10];
        int[] arr3 = {1,2,3,4,5};
        System.out.println(Arrays.toString(arr2));
        System.out.println(arr.length);
        System.out.println(arr3.length);
    }
}